# name : Rmd head yaml: pdf spec 
# key : rmdpdfyaml.
# contributor: Shuguang Sun
# expand-env: ((yas-indent-line 'fixed) (yas-wrap-around-region 'nil))
# --
output:
    pdf_document:
        latex_engine: xelatex
        keep_tex: true
        toc: true
        number_sections: true$0
CJKmainfont: Microsoft YaHei Light
CJKoptions:
    - BoldFont=Microsoft YaHei
    - ItalicFont=FangSong